Electrical Measurement and Measuring Instruments (3160915) MCQs

MCQs of Measurement of R, L and C

Showing 11 to 20 out of 51 Questions
1 2 3 4 5 6
11.

Megger is an instrument used for the measurement of

(a)

High resistance and insulation resistance
(b)

Medium resistance
(c)

Low resistance
(d)

Leakage current
Answer:

Option (a)

12.

Kelvin double bridge is best suited for the measurement of

(a)

 Inductance
(b)

Capacitance
(c)

 Low resistance
(d)

 High resistance
Answer:

Option (c)

13.

Introduction of dielectric

(a)

Increases the capacitance
(b)

 Reduces the breakdown voltage
(c)

 Reduces the mechanical voltage
(d)

 Increases the size of the capacitor
Answer:

Option (a)

14.

 A Ohmmeter is basically

(a)

 A ammeter
(b)

 A voltmeter
(c)

A multimeter
(d)

None of the above
Answer:

Option (a)

15.

A bridge circuit is used for the measurement of which of the following components?

(a)

Resistance, capacitance, and inductance
(b)

Diode, triode, and thyristor
(c)

Transistor, thermistor, and antenna
(d)

LED, op amp, and transducer
Answer:

Option (a)

16.

A simple bridge circuit consists of a network of __________

(a)

3 resistance arms
(b)

2 resistance arms
(c)

4 resistance arms
(d)

6 resistance arms
Answer:

Option (c)

17.

What is applied to the two opposite junctions of a bridge circuit?

(a)

source of voltage
(b)

source of current
(c)

source of power
(d)

source of impedance
Answer:

Option (b)

18.

A bridge circuit uses which method of measurement?

(a)

absolute
(b)

relative
(c)

differential
(d)

comparison
Answer:

Option (d)

19.

Which principle operates a bridge circuit?

(a)

null indication
(b)

ampere’s rule
(c)

partial indication
(d)

kirchhoff’s laws
Answer:

Option (a)

20.

The accuracy of a bridge depends on the _________

(a)

null indicator
(b)

bridge components
(c)

current source
(d)

voltage source
Answer:

Option (b)

Showing 11 to 20 out of 51 Questions
1 2 3 4 5 6